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Case Studies
We succesfully represented our client, Major League Baseball Partners, Inc.
Federal Circuit upholds successful opposition against application to register LEHMAN BROTHERS for whiskey
We established that cigarette rolling paper size designations are generic.
Federal Circuit reverses cancellation of U.S. trademark registrations
The Second Circuit affirms summary judgment for our client.
What They Say
"From a legal perspective, Kieran is resolute, but he also has a creative side that enables him to think of original solutions for unusual situations. With his help, clients have developed solid portfolios and achieved victory in numerous settlements. He is an invaluable person to have on your side."
2025 WTR 1000 – The World’s Leading Trademark Professionals"The team at Cowan is wonderful. Extremely efficient, detail-oriented, and careful with deadlines. The other great aspect is that they firmly stand by the adage that no two clients are the same—so their advice is tailored towards meeting the needs and requirements of individual clients."
2025 Legal 500"Cowan Liebowitz's attorneys aren't just service providers – they're invaluable partners protecting our brand."
Chambers USA 2025"Jonathan Z. King is widely held to be a 'knowledgeable, savvy and practical advocate', owing to over three decades of experience in shaping intellectual property law on landmark cases."
2025 Lexology Index"The team takes a distinctive and innovative approach to resolving client issues."
2025 Legal 500
Why Us
Founded in 1957, we maintain long-term relationships by providing sound advice, quality legal work, and highly-responsive, personalized service.
What We Do
We represent clients of all sizes across a broad range of industries. The boutique size of our firm, and the breadth of our practice capabilities, allow us to provide a multidisciplinary approach in a cost-effective manner.
Our Clients
Our experience spans a broad range of industries and is international in scope. We appreciate the opportunity of growing with successful companies and brands, as well as creative individuals and accomplished executives.
